Color blue Material Plastic Special Feature Volume Control, Lightweight Control Type Volume Control Composition of the Alkaline Battery In-Ear Form Factor See More About This Item AMAZING! HEAR EVERYTHING PERFECTLY CLEAR: Wouldn't you like to be able to hear everything you need as clearly as you want? Well, if you're looking for a device that lets you hear anything, then your search is over! Indeed, the behind-the-ear sound amplifier features high-quality digital BTE amplifiers, which means you can hear everything you've been missing, guaranteed! UNMATCHED PERFORMANCE ! COMFORTABLE AND DISCREET: Don't worry about carrying extra weight. Because our hearing amplifier is so small and light, it fits comfortably in any ear. It's perfect for you because it's versatile, easy to use, and has low battery consumption. This BTE amplifier is so small, discreet and comfortable that you'll forget you're wearing it. NO PROGRAMMING REQUIRED! No More Annoying Feedback: The problem with other digital ear amplification devices is that loud annoying feedback you can get. This is because our BTE amplifier has a unique noise reduction feature and digital circuitry and control that puts you in complete control of what you hear and what you don't.